convert //mash to std::unique_ptr

mash/browser_driver/browser_driver_application_delegate.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef MASH_BROWSER_DRIVER_BROWSER_DRIVER_APPLICATION_DELEGATE_H_
 #define MASH_BROWSER_DRIVER_BROWSER_DRIVER_APPLICATION_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <map>
 
 #include "base/callback.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "components/mus/public/interfaces/accelerator_registrar.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/shell/public/cpp/shell_client.h"
 
 namespace mash {
 namespace browser_driver {
 
 class BrowserDriverApplicationDelegate : public mojo::ShellClient,
                                          public mus::mojom::AcceleratorHandler {
@@ skipping 17 matching lines @@
   mojo::Binding<mus::mojom::AcceleratorHandler> binding_;
   base::WeakPtrFactory<BrowserDriverApplicationDelegate> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserDriverApplicationDelegate);
 };
 
 }  // namespace browser_driver
 }  // namespace mash
 
 #endif  // MASH_BROWSER_DRIVER_BROWSER_DRIVER_APPLICATION_DELEGATE_H_